| COC | cyclic olefin copolymer; |
| DOE | diffractive optical element; |
| FDM | fused deposition modeling; |
| HDPE | high-density polyethylene; |
| HIPS | high-impact polystyrene; |
| PA6 | polyamide 6; |
| PP | polypropylene; |
| PTFE | polytetrafluoroethylene; |
| SBC | styrene butadiene copolymer; |
| SLS | selective laser sintering; |
| THz | terahertz; |
| THz TDS | terahertz time-domain spectroscopy. |
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